Digging tooth



FIG. 1 is a rear, right side perspective view of a digging tooth showing one embodiment of my new design;

FIG. 2 is a rear elevational view thereof;

FIG. 3 is a sectional view taken along line 3--3 of FIG. 2;

FIG. 4 is another sectional view taken along line 4--4 of FIG. 2;

FIG. 5 is a rear, right side perspective view of another embodiment of my new design;

FIG. 6 is a rear elevational view thereof;

FIG. 7 is a sectional view taken along line 7--7 of FIG. 6;

FIG. 8 is another sectional view taken along line 8--8 of FIG. 6;

FIG. 9 is a rear, right side perspective view of another embodiment of my new design;

FIG. 10 is a rear elevational view thereof;

FIG. 11 is a sectional view taken along line 11--11 of FIG. 10; and,

FIG. 12 is another sectional view taken along line 12--12 of FIG. 10.

The phantom lines shown in the drawings form no part of the present invention. 

The ornamental design for a digging tooth, as shown and described. 